mt2_sol

mt2_sol - Name Solution Digital Logic I EE 2720-2 Midterm...

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Unformatted text preview: Name Solution Digital Logic I EE 2720-2 Midterm Examination 10 2 9 November 2011, 14:4015:30 CST Exam Rules Use only a pencil or pen. No calculators of any kind are allowed. Texting is out of the question. Alias Saila Problem 1 (22 pts) Problem 2 (22 pts) Problem 3 (22 pts) Problem 4 (12 pts) Problem 5 (12 pts) Problem 6 (10 pts) Exam Total (100 pts) Good Luck! Problem 1: (22 pts) The problems below are based on the following Boolean function: ( a + bc + b c )( abc ) ( a ) Draw a logic diagram (using AND, OR, and NOT gates) corresponding to the Boolean function. (Do not simplify the expression.) checked Logic diagram. Solution appears below. a b c ( b ) Write the Boolean function in minterm canonical form. (Show a Boolean expression, not just a list of minterm numbers.) Hint: For most people directly constructing a truth table would be easier than algebraic manipulation. checked Expression in minterm canonical form. Solution: a b c + abc + a b c + a bc + abc ( c ) Write the Boolean function in maxterm canonical form. checked Expression in maxterm canonical form. Solution: ( a + b + c )( a + b + c )( a + b + c ) Grading Note: A common mistake is inverting the wrong literals. For example, ( a + b + c ) instead of the correct first term, ( a + b + c ) . 2 ( d ) Draw a Karnaugh map for the expression. (Just draw the Karnaugh map, dont use it to simplify the expression.) checked Karnaugh map, including variables and row and column numbers. Solution appears below: 1 1 1 1 a bc 1 00 01 11 10 1 3 Problem 2: (22 pts) Consider the Karnaugh map below. 1 1 1 1 1 1 1 1 xy zw 00 01 11 10 00 01 11 10 x'z'w yw' xy'w y'z'w x'yz' yzw' ( a ) Write in the row and column numbers....
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This note was uploaded on 01/03/2012 for the course EE 2720 taught by Professor Desouza during the Fall '08 term at LSU.

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mt2_sol - Name Solution Digital Logic I EE 2720-2 Midterm...

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